Three people are dead after two separate collisions near Stony Plain and northeast Edmonton on Friday evening and Saturday morning, respectively.

Stony Plain RCMP responded to a two-vehicle collision on Highway 633 at Range Road 31 at approximately 6:22 p.m.

Police said a sedan headed east on Highway 633 crashed with a westbound SUV. The driver of the sedan, a 61-year-old man travelling alone, died on scene. RCMP said the three occupants of the SUV were transported to the hospital, where a 32-year-old woman succumbed to her injuries. The other two sustained non-life threatening injuries.

The two victims are from Stony Plain, RCMP said.

At 6:15 a.m. on Saturday, Edmonton police responded to a two-vehicle collision in the area of 17 Street and Manning Drive.

A woman was killed in the collision, and the two other males in the same vehicle were taken to the hospital with life-threatening injuries, EPS said.

The lone male driver of the second vehicle sustained non-life threatening injuries.

Police are investigating the collision and ask witnesses or anyone with information to contact them at 780-423-4567. To remain anonymous, you can contact Crime Stoppers at 1-800-222-8477.